p385fig11.20 Dichoptic masking occurs in Panum's limiting case for reasons explained in the text.<BR>||  Dichoptic masking in Panum's limiting case (McKee, Bravo, Smallman, Legge 1995).  Panum's limiting case is a simplified version of the Venetian blind effect!  [V1 binocular boundaries -> V2 initial boundaries -> V2 final boundaries -> V4 surface] cart [very near, near, fixation plane, far, very far]